Tag: Hardware
February 25, 2010 by
Jason
A computer on which Windows 7 has been deployed via a clean install can stop responding completely after the second restart. This issue also affects Windows Server 2008 R2, Microsoft informed, and is related to the 1394 bus driver.
According to the Redmond company, machines running Windows 7 or Windows Server 2008 R2 can also stop responding when customers enable or install a 1394 device. The IEEE 1394 is a serial bus interface standard most known by the following brands FireWire (Apple), i.LINK (Sony), and Lynx (Texas Instruments).
Microsoft even offered an example of the hardware configuration on which users have been experiencing this problem. The software giant notes that the issue affects PCs with nVidia MCP7A-GeForce 9300 rev B1 motherboard that also feature an LSI Logic FW533 or an FW643 1394 Host controller. Disabling and then enabling, as well as uninstalling and then installing the 1394 host controller will render the machine unresponsive, as will restarting the computer, or putting it to sleep and then waking it.
“This issue occurs because the 1394 bus driver in Windows 7 does not issue an Open Host Controller Interface (OHCI) Soft Reset command to the 1394 host controller when the computer enters a low power (D3) state. When the 1394 host controller later enters a high power (D0) state, it may generate an incorrect PCI-Express packet. In this situation, the motherboard chipset stops responding,” Microsoft explained.
Ahead of Windows 7 and Windows Server 2008 R2, the 1394 bus driver in Windows platforms generated an Open Host Controller Interface (OHCI) Soft Reset command to the 1394 host controller concomitantly with the moment when the PC was entering a low power state. Microsoft doesn’t offer users an update to fix the issue.
However, the company does have a hotfix available for download via Microsoft Support. “If the 1394 host controller is an add-on card, remove the card from the system before you install Windows 7. After setup is complete, apply this hotfix, and then re-enable the 1394 host controller,” the company advised affected users.
Posted in Computer, Windows 7 | No Comments »
February 20, 2010 by
Jason The first service pack for Windows 7 might include a fix for a problem related to the new Natural User Interface of the operating system.
Microsoft has detailed an issue affecting Windows 7 Home Premium, Ultimate and Professional running on touch-capable computers, which involves frozen speed settings for the double tap gesture.
“Consider the following scenario: open up the “Control Panel;” browse to “Hardware and Sound” -> “Pen and Touch” -> “Touch” tab; under “Touch Actions”, select “Double-tap” and click “Settings…” Change the Speed setting slider from “Fast” to “Slow” or from “Slow” to “Fast”. After you change the speed setting, double tap at different rates and you will notice no difference between fast and slow speed setting,” Microsoft stated.
Windows 7 comes with multi-touch support by default, although the feature is limited to computers that have the necessary hardware to allow customers to use the operating system’s NUI. Double tap is a gesture equivalent to the double click performed with the mouse.
In this regard, Windows 7 should allow end users to change the speed of the double tap just as it does for double click. According to Microsoft, this is not the case. Read More»
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January 28, 2010 by
Jason By all accounts, thanks to the boot performance of Windows 7, customers should be using the operating system in a matter of seconds since they fire up their computers. However, Microsoft itself has documented scenarios in which the startup of Windows 7 and Windows Server 2008 R2 is unexpectedly slow. According to the Redmond-based company, at fault is the dpi display setting of the monitor.
“Consider the following scenario: you have a computer that is running Windows 7 or Windows Server 2008 R2. This computer is connected to a high resolution monitor. On this computer, the default dpi display setting is set to a value other than 96 dpi. In this scenario, the computer has an unexpectedly slow startup time,” Microsoft explained.
The software giant does not specify what “unexpectedly slow startup times” actually mean. Microsoft only noted that the dpi display setting is the cause of slow boot times, and that the problem is persistent. “This issue may occur when the default dpi display setting in Windows 7 or in Windows Server 2008 R2 is set to a value other than 96 dpi for a high resolution monitor. In this scenario, the computer has an unexpectedly slow startup time after a change is made to the default dpi display setting. Then, the computer has an unexpectedly slow startup time every other time that the computer is started,” the company said. Read More»
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January 23, 2010 by
Jason A new release of the Windows Driver Kit documentation associated to the latest iteration of the Windows client from Microsoft is currently available for download. According to the Redmond company, the next update to the Windows Driver Kit resources will take some time to be released as the infrastructure behind creating and offering the documentation to developers is being reworked. The software giant did not say when the next refresh for the WDK documentation will be offered, however, the latest update was made available at the end of 2009.
“It’ll be a little while before we do another update, because we’re taking some time to rework our authoring and publication systems. Stay tuned. You can download the offline version of the documentation (in HxS and CHM!!! format) here,” revealed Jim Travis, senior content publishing manager, Microsoft.
The Redmond company usually updates the Windows Driver Kit documentation both MSDN and Windows Hardware Developer Central (WHDC) in bi-monthly intervals, especially between major releases. It sounds like the updates are going to be put on hold, at least for a while. The latest MSDN Library documentation can be accessed here. Read More»
Posted in Windows 7 | No Comments »
January 22, 2010 by
Jason
Uninstalling and reinstalling inbox audio driver repeatedly on Windows 7 or Windows Vista might not be the best thing to do, as Microsoft has warned that users could leave their platforms incapable of playing audio. The Redmond company does not specify the exact number uninstalls/reinstalls needed for some DirectSound output to be rendered unable to play audio, but apparently, just several such actions are sufficient.
Here is the scenario described by the software giant: “You use software to render/play audio via the DirectSound API (for example: DDK tool Graph Edit). On Vista or Windows 7, via a driver testing tool (or manually) you uninstall and then reinstall audio drivers such as “High Definition Audio Device” (HDAudio) several times. You attempt to render/play the audio stream again to a non-default DirectSound device (for example – DirectSound:Speakers as opposed to Default DirectSound device).”
Provided that users managed to reproduce the situation exemplified above, Microsoft indicates that no audio will be produced as a result of the stream leveraging a non-default DirectSound device for rendering. In addition, Vista and Windows 7 customers will receive the following error message: “These filters cannot agree on a connection. Verify type compatibility of input pin and output pin. Cannot play back the audio stream: no audio hardware is available, or the hardware is not responding. (Return code:0×80040256).” Read More»
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December 30, 2009 by
Jason The Windows 7 driver store includes a small collection of drivers for legacy devices, mostly older printers, modems, scanners, infrared ports, PCMCIA controllers, and other oddball devices that don’t use Plug and Play connections. As you might suspect, Windows will not automatically set up such devices, and you’re rolling the dice if you find one of these old but still worthwhile devices and try to install an old driver.
But what if the device in question is valuable to you and can’t be easily replaced by a newer, supported one? Then by all means give it a try. Download the most recent hardware drivers you can find (ideally, for Windows XP or Windows Server 2003), and then use the Add Hardware wizard to complete the hardware setup process. Follow these steps:
1. If you’ve found a downloadable driver package or a CD that came with the device, look for a Setup program and run it. This option places the driver files on your hard disk and simplifies later installation steps.
2. Connect the new hardware to your computer. In the case of an internal device such as an add-in card, turn off the computer, add the device, and then restart. Read More»
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December 28, 2009 by
Jason In addition to the performance enhancements built into its latest iteration of the Windows client, Microsoft is offering additional tools for download for customers and partners that want to squeeze all the extra juice from the OS. Case in point, the Windows Performance Analysis Tools, also referred to as the Windows Performance Toolkit, was released ahead of Windows 7, and included as an integral part of the operating system’s software development kit. Microsoft underlines that while “the WPT Kit is useful to a broad audience,” the tools will serve better specific audiences including “system builders, hardware manufacturers, driver developers, and general application developers.”
End users are missing from the enumeration above, and for good reason. The Windows 7 RTM Performance Analysis Tools are, in fact, designed to ensure a high level of hardware and software performance before the finalized products and solutions make it into the hands of home users. In this sense, the Windows Performance Toolkit is set up to permit the analysis and measuring of both system and application performance not just on Windows 7, but also Windows Server 2008 R2, Windows Vista, Windows Server 2008. Read More»
Posted in Software, Windows 7 | No Comments »
December 01, 2009 by
Jason Windows XP Mode is an optional download for the Professional, Enterprise, and Ultimate editions of Windows 7. It provides a licensed copy of Windows XP with Service Pack 3, saved in Virtual Machine Hard Drive Image (.vhd) format. When run in Windows Virtual PC, or another compatible program, this virtualized installation of Windows XP lets you run applications that might not run well in Windows 7. Windows XP Mode is also handy if you have an older device with a proprietary driver that hasn’t been updated for Windows Vista or Windows 7. If it worked great in Windows XP but doesn’t work in Windows 7, give it a try in Windows XP Mode.
NOTE: Windows Virtual PC requires a computer with hardware-assisted virtualization. That means the CPU has to support either Intel Virtualization Technology (Intel VT) or AMD Virtualization (AMD-V). In addition, hardware virtualization must be enabled in the BIOS. Both Intel and AMD offer an array of processor options, some that support hardware virtualization and some that do not. If you’re buying a system expressly for the purpose of running Windows XP Mode, be sure it meets these requirements. Read More»
Posted in Windows 7 | No Comments »
December 01, 2009 by
Jason With its latest version of Windows, Microsoft supports multiple activation scenarios, each tailored to a specific Windows 7 license. In this regard, volume customers of Windows 7 have the option to perform volume activation for the operating system. Companies with a large number of clients can centralize the management tasks associated with the process of activating multiple Windows seats. Windows 7 volume activation works either via KMS (Key Management Service) or MAK (Multiple Activation Key). Technical decision makers can now access a document from Microsoft detailing the “Top 7 Things You Need to Know about Activation TDM.”
The resource is offered for free through the Microsoft Download Center, and it is essentially a PowerPoint document. As the official title implies, the software giant outlines no less than seven things that IT decision makers need to be aware of when it comes down to Windows 7 volume activation.
The company is even enumerating the Volume Activation Enhancements for Windows 7, including “Refined end-user experience: clear & simplified user interface; updated notification dialog; customizable user experience for the enterprise; and performance improvements to the core service. Read More»
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